<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        const worker1 = new Worker('worker1.js')
        worker1.onmessage = (data)=>{
            console.log(data,'data')
        }
    </script>
</body>
</html>